Subtract 42/12 from 90/32
1st number: 2 26/32, 2nd number: 3 6/12
90/32 - 42/12 is -11/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 12 is 96
Next, find the equivalent fraction of both fractional numbers with denominator 96 - For the 1st fraction, since 32 × 3 = 96,
90/32 = 90 × 3/32 × 3 = 270/96 - Likewise, for the 2nd fraction, since 12 × 8 = 96,
42/12 = 42 × 8/12 × 8 = 336/96 - Subtract the two like fractions:
270/96 - 336/96 = 270 - 336/96 = -66/96 - After reducing the fraction, the answer is -11/16
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